148067861 has 2 divisors, whose sum is σ = 148067862. Its totient is φ = 148067860.

The previous prime is 148067827. The next prime is 148067921. The reversal of 148067861 is 168760841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93219025 + 54848836 = 9655^2 + 7406^2 .

It is a cyclic number.

It is not a de Polignac number, because 148067861 - 2²² = 143873557 is a prime.

It is a super-2 number, since 2×148067861² = 43848182922230642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148037861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74033930 + 74033931.

It is an arithmetic number, because the mean of its divisors is an integer number (74033931).

Almost surely, 2^148067861 is an apocalyptic number.

It is an amenable number.

148067861 is a deficient number, since it is larger than the sum of its proper divisors (1).

148067861 is an equidigital number, since it uses as much as digits as its factorization.

148067861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 148067861 is about 12168.3138108778. The cubic root of 148067861 is about 529.0380807894.

The spelling of 148067861 in words is "one hundred forty-eight million, sixty-seven thousand, eight hundred sixty-one".